David Graeber has been much praised of late as a prophet of the Occupy Wall Street movement, and even if one doesn’t want to go that far, his book is remarkably timely. I received my review copy the day of the October 5th NYPD pepper-spray incident in Zuccotti Park. By the time I finished reading it, copycat occupations had sprung up in my adoptive home city (Montreal), my native city (Sacramento), and spots around the world. Graeber's book shows that mass movements that result in debt cancellation—whether through revolution or amnesty—are inevitable, and suggests that we may be entering such